Started working on galaxy PGC1897491 at Wed Jun 17 15:24:56 2020
Read 1 galaxy(ies) from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/243/PGC1897491/PGC1897491-largegalaxy-sample.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/243/PGC1897491/PGC1897491-largegalaxy-tractor.fits
Read 28 sources from /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/243/PGC1897491/PGC1897491-largegalaxy-tractor.fits
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/243/PGC1897491/PGC1897491-largegalaxy-maskbits.fits.fz
Sort by flux!  [ 394.8073]
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/243/PGC1897491/PGC1897491-largegalaxy-image-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/243/PGC1897491/PGC1897491-largegalaxy-model-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/243/PGC1897491/PGC1897491-largegalaxy-invvar-g.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/243/PGC1897491/PGC1897491-largegalaxy-image-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/243/PGC1897491/PGC1897491-largegalaxy-model-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/243/PGC1897491/PGC1897491-largegalaxy-invvar-r.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/243/PGC1897491/PGC1897491-largegalaxy-image-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/243/PGC1897491/PGC1897491-largegalaxy-model-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/243/PGC1897491/PGC1897491-largegalaxy-invvar-z.fits.fz
Reading /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/243/PGC1897491/PGC1897491-largegalaxy-psf-r.fits.fz
Building masked image for central 1/1.
Central position has been masked, possibly by a star (or saturated core).
 Pixels used: 2960
 Peak Img[j, k]: 143 143
 Mean (j, k): 131.57 141.19
 Theta (deg): 172.3
 Astro PA (deg): 97.7
 Eps: 0.487
 Major axis (pix): 52.3
Iteratively unmasking pixels:
  r=52.34 pixels
  r=52.34 pixels
  r=62.72 pixels
131.623112039 141.769 141.257874912 142.295
Peak position has moved by more than 10 pixels---falling back on Tractor geometry!
  r=52.77 pixels
Starting ellipse-fitting for galaxy 189089
Fitting g-band took......11.031 sec
Fitting r-band took......11.405 sec
Fitting z-band took......10.971 sec
Time for all images = 33.408 sec
Performing elliptical aperture photometry.
g CoG modeling succeeded with a chi^2 minimum of 607.25
r CoG modeling succeeded with a chi^2 minimum of 1011.78
z CoG modeling succeeded with a chi^2 minimum of 35.53
Time = 0.046 min
WARNING: The unit 'mgy / arcsec2' could not be saved in native FITS format and cannot be recovered in reading. If pyyaml is installed, it can roundtrip within astropy by using QTable both to write and read back, though one has to enable the unit before reading. [astropy.io.fits.convenience]
Writing /global/cscratch1/sd/ioannis/SGA-data-dr9alpha/243/PGC1897491/PGC1897491-largegalaxy-189089-ellipse.fits
Finished galaxy PGC1897491 in 1.268 minutes.